This problem is composed of six questions (a, b, c, d, e, f). For the system described below, answer those questions. Three types (gold, silver, and regular) of customers arrive at a single server John Jr burger shop where they are served one customer at a time. Gold type customers have higher priority than Silver type customers, and Silver type customers have higher priority than regular type customers. No pre-ernption occurs; in other words, if the server is serving a regular type customer when a gold type customer arrives, the server must finish serving the regular customer first and then serve the gold type customer. Customer Arrival Information [IDGold customers: Interarrival time of 50 minutes DDSilver customers: Interarrival time of 30 minutes DDRegular customers: Inter-arrival time of 10 minutes DDAssumption: At time \"zero\